hotfix(notifications): set default email client host

go.mod

@@ -3,7 +3,7 @@ module github.com/containrrr/watchtower
 go 1.18
 
 require (
-	github.com/containrrr/shoutrrr v0.7.0
+	github.com/containrrr/shoutrrr v0.7.1
 	github.com/docker/cli v20.10.23+incompatible
 	github.com/docker/distribution v2.8.1+incompatible
 	github.com/docker/docker v20.10.23+incompatible

go.sum

@@ -227,8 +227,8 @@ github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/containrrr/shoutrrr v0.7.0 h1:2nVUTO3V/gvunmgnrGJ1RiSG3ph5evOPdQ2Xnlt7ZVE=
-github.com/containrrr/shoutrrr v0.7.0/go.mod h1:wz7j7NfcSA+HUlOIj4sDKYXYpgKopfgxcCYGuto8J3s=
+github.com/containrrr/shoutrrr v0.7.1 h1:19j+YbYXRgj3PJHMzqdQ4dEoQ6teapGdjx0aB8asyho=
+github.com/containrrr/shoutrrr v0.7.1/go.mod h1:wz7j7NfcSA+HUlOIj4sDKYXYpgKopfgxcCYGuto8J3s=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=